C1 verb /ˈrævɪdʒ/

ravage

荒廃させる

Meaning

to cause severe and extensive damage or destruction

Example

The hurricane ravaged the coastal villages.

ハリケーンは沿岸の村を荒廃させた。

C1 noun /ˈrɒndɪvuː/

rendezvous

会合

Meaning

a meeting or appointment at an agreed time and place

Example

They arranged a secret rendezvous at the café.

彼らはカフェで秘密の会合を手配しました。

C1 adjective /ˈraɪ.tʃəs/

Righteous

正義の; 公正な; 道徳的な

Meaning

morally right or justifiable; virtuous; having strong moral principles

Example

She felt righteous anger at the unfair treatment of workers.

彼女は労働者の不当な扱いに対して正義の怒りを感じました。

C1 verb /ˌriːəˈdʒʌst/

readjust

再調整

Meaning

To change or move something again in order to achieve a better fit, condition, or balance.

Example

He readjusted the chair to make it more comfortable.

彼は椅子をもっと快適にするために再調整しました。

B2 noun /rɪˈvendʒ/

Revenge

復讐

Meaning

the action of inflicting hurt or harm on someone for an injury or wrong suffered at their hands

Example

She sought revenge against those who betrayed her trust.

彼女は信頼を裏切った者たちに復讐を求めた。

C1 verb /riːˈfɜːrbɪʃ/

refurbish

改装する

Meaning

To renovate or redecorate something, especially a building.

Example

The company decided to refurbish its old office.

その会社は古いオフィスを改装することを決定しました。

C1 noun /rɪˈmɛmbrəns/

remembrance

記憶

Meaning

the act of remembering or honoring someone or something

Example

A service was held in remembrance of the fallen soldiers.

戦死した兵士たちを記憶するための式典が行われた。

C1 adjective /ræmˈbʌŋk.ʃəs/

rambunctious

騒々しい

Meaning

boisterous, energetic, and difficult to control.

Example

The rambunctious children filled the house with noise.

騒々しい子供たちが家を騒音で満たしました。

B2 adjective /ˈrɪtʃ.u.əl/

Ritual

儀式

Meaning

relating to religious or ceremonial practices

Example

The wedding ceremony included many traditional ritual elements.

結婚式では多くの伝統的な儀式が行われました。

B2 adverb /ˈraɪtli/

Rightly

正しく; 適切に; 公正に

Meaning

correctly; properly; justly

Example

She rightly pointed out the mistakes in the report.

彼女は報告書の誤りを正しく指摘した。

C1 noun ˈredʒ.ɪ.strɑːr

registrar

レジストラー

Meaning

An official responsible for keeping records or registers.

Example

The registrar oversees all administrative tasks.

レジストラーはすべての行政業務を監督しています。

B1 verb /rɪˈkʌvər/

recover

回復する

Meaning

To return to a normal state of health, mind, or strength; to regain or save something.

Example

The world is struggling to recover from the pandemic.

世界はパンデミックから回復しようとしています。

B2 verb /ˌriːkriˈeɪt/

recreate

再創造する

Meaning

to create or produce something again, especially a new version of something lost or destroyed

Example

The team recreated the lost dataset from backups.

チームはバックアップから失われたデータセットを再作成しました。

A1 adjective /raʊnd/

round

丸い

Meaning

having a circular shape; shaped like a sphere or disk

Example

The table was round and had a smooth surface.

テーブルは丸くて、滑らかな表面がありました。

C2 adjective rɪˈtɛn.tɪv

retentive

記憶力が強い

Meaning

Having strong memory or the ability to retain information for a long time.

Example

Students with a retentive memory excel in academics.

記憶力が強い学生は学業で優れています。

B2 noun /ˈræŋkɪŋ/

ranking

ランキング

Meaning

a position in a list or hierarchy, especially in terms of performance or importance

Example

His ranking in the competition improved after each round.

彼の競技でのランキングは、各ラウンド後に向上しました。

C2 noun /red ˌəʊ.liˈæn.dər/

Red oleander

赤いオリンダー

Meaning

a poisonous flowering shrub with bright red or pink flowers

Example

The red oleander blooms throughout the summer months.

赤いオリンダーは夏の数ヶ月間咲きます。

C1 noun /ˈrɛ.trəʊ.fɪt.ɪŋ/

retrofitting

古いシステムに新しい技術や機能を追加すること

Meaning

The addition of new technology or features to older systems.

Example

The building underwent retrofitting to meet new safety standards.

その建物は、新しい安全基準に適応するためにレトロフィッティングされました。

B1 adjective /rʌf/

Rough

ざらざらした; 荒い; 厳しい

Meaning

having an uneven surface; not smooth; harsh

Example

The rough surface of the rock hurt my hands.

岩石のざらざらした表面が私の手を傷つけました。

C1 verb /rɪˈlɛnt/

relent

譲歩する、柔らかくなる

Meaning

to become less severe, harsh, or strict

Example

After hours of begging, she finally relented.

何時間もの懇願の後、彼女はついに譲歩した。

B1 noun /rɪˈsɜːtʃə(r)/

researcher

研究者

Meaning

a person who conducts research

Example

The researcher published her findings in a scientific journal.

研究者は科学的なジャーナルに彼女の研究結果を発表しました。

B2 noun /rɪˈbel.jən/

Rebellion

反乱

Meaning

an act of armed resistance to an established government or leader

Example

The rebellion against the king lasted for three years.

王に対する反乱は3年間続いた。

C2 verb /rɔɪl/

roil

かき乱す

Meaning

to make a liquid muddy or disturbed; to cause agitation or disorder

Example

The constant protests roiled the city streets.

絶え間ない抗議が街の通りをかき乱した。

C2 noun /rɪˈsɪdɪvɪst/

recidivist

再犯者

Meaning

A person who repeatedly commits crimes, especially after having been punished.

Example

The police identified him as a recidivist who had been arrested several times before.

警察は彼を再犯者として特定し、以前に何度も逮捕されていた。

B2 noun /ˈreb.əl/

Rebel

反逆者

Meaning

a person who resists authority or control

Example

The young rebel refused to follow the school rules.

その若い反逆者は学校の規則に従うことを拒否した。

C1 noun /ræmˈbuːtən/

Rambutan

ランブータン

Meaning

a tropical fruit with red spiky skin and white translucent sweet flesh similar to litchi

Example

The rambutan looks scary with its hairy skin but tastes very sweet inside.

ランブータンは毛皮のような皮で怖そうに見えますが、中はとても甘いです。

B2 noun /ˈreɪtɪŋ/

rating

評価

Meaning

an evaluation or assessment, usually numerical

Example

The movie received a high rating from critics.

その映画は批評家から高い評価を受けました。

A2 noun /ˈrɛkɔːd/

record

記録

Meaning

a written or spoken account of something

Example

I kept a record of all the meetings.

私はすべての会議の記録を保持していました。

C1 adjective /rɪˈbel.jəs/

Rebellious

反抗的な; 不従順な; 権威に反発する;

Meaning

defying authority; resisting control; disobedient;

Example

The rebellious teenager refused to follow his parents' rules.

反抗的なティーンエイジャーは、両親の規則に従うことを拒否した。

B2 noun, verb /ˈriːteɪl/

retail

小売

Meaning

the sale of goods to the public in small quantities for use or consumption rather than for resale

Example

The company specializes in the retail of clothing and accessories.

この会社は衣類とアクセサリーの小売を専門としています。

A1 verb /rɪˈmembə/

remember

覚える

Meaning

to bring a past event back into one's mind; to keep in memory

Example

I remember my first day at school.

私は学校の最初の日を覚えています。

C2 noun /rʌmp/

Rump

尻; お尻; 背中の下部

Meaning

the hindquarters or buttocks; the lower back area

Example

The horse injured its rump during the fall.

その馬は転倒した際にお尻を痛めました。

B2 verb /rɪˈstrɪkt/

restrict

制限する

Meaning

To limit the size, amount, or range of something.

Example

The government decided to restrict the use of plastic bags.

政府はプラスチック袋の使用を制限することを決定しました。

C1 noun /ˈriːbeɪt/

rebate

リベート/払い戻し

Meaning

a partial refund given to someone who has paid too much money for something

Example

The store offered a rebate on bulk purchases.

その店は大量購入に対してリベートを提供しました。

B2 adjective /ˈrek.ləs/

Reckless

無謀な; 無鉄砲な; 危険な;

Meaning

acting without thinking about consequences; careless; dangerous;

Example

His reckless driving caused a serious accident.

彼の無謀な運転は深刻な事故を引き起こしました。

B1 adverb /ˈruːdli/

Rudely

失礼に

Meaning

in an impolite or discourteous manner

Example

He rudely interrupted the speaker during the presentation.

彼はプレゼン中に話者を失礼に遮った。

B2 noun /ˈrest.ləs.nəs/

Restlessness

不安

Meaning

the inability to rest or relax as a result of anxiety or boredom

Example

His restlessness during the long meeting was obvious to everyone.

長い会議中、彼の不安は全員に明らかだった。

B1 noun, verb /ˈrɒkɪt/

rocket

幸せ

Meaning

a missile or vehicle propelled by a rocket engine; to increase or move very quickly

Example

The company’s profits rocketed after the new product launch.

彼女は賞を受け取ったとき、幸せを隠せませんでした。

B1 verb /rɪˈleɪt/

relate

Rare

珍しい

Meaning

not occurring very often; uncommon or unusual

Example

It's rare to find such beautiful handmade jewelry these days.

こんな美しい手作りのジュエリーを見つけることは珍しい。

C2 noun /rɪˈvaɪlər/

reviler

侮辱者

Meaning

a person who criticizes or insults others abusively

Example

He was known as a reviler of all who opposed him.

彼は自分に反対する全ての人々を侮辱する者として知られていました。

B2 noun rɪˈzɪl.i.əns

resilience

レジリエンス

Meaning

The ability to recover quickly from difficulties; toughness.

Example

Testing the resilience of wood is crucial.

木材のレジリエンスをテストすることは非常に重要です。

A1 adverb /ˈriː.ə.li/

Really

本当に; 実際に; とても

Meaning

actually; truly; very much

Example

I really enjoyed the concert last night.

昨晩のコンサートは本当に楽しめました。

C1 noun /rəˈpɪdəti/

rapidity

迅速さ

Meaning

The quality of moving or happening quickly; swiftness or speed.

Example

The rapidity of technological change is astonishing.

技術的な変化の速さは驚くべきものです。

C2 noun /rɪˌkrɪmɪˈneɪʃən/

recrimination

相互非難

Meaning

an accusation made in response to an accusation; mutual blaming

Example

The debate quickly descended into mutual recriminations.

討論はすぐに相互非難に陥った。

C1 adjective /ˈraʊzɪŋ/

rousing

興奮させる

Meaning

Exciting, inspiring, or stirring.

Example

The speaker delivered a rousing speech that moved the audience.

スピーカーは聴衆を感動させる興奮させるスピーチをしました。

C2 noun /ruːθ/

ruth

同情

Meaning

A feeling of pity, compassion, or sorrow.

Example

He felt no ruth for the people he had betrayed.

彼は裏切った人々に対して一切の同情を感じなかった。

C1 noun ˈrez.ɪ.djuːz

residues

残留物

Meaning

A small amount of something that remains after the main part has gone or been taken or used.

Example

The burning process leaves no harmful residues.

燃焼プロセスでは有害な残留物は残りません。

B2 noun /ˈrem.ə.di/

Remedy

薬; 治療; 問題解決の手段

Meaning

a medicine or treatment for a disease; a solution to a problem

Example

This herbal remedy helps with headaches.

このハーブの薬は頭痛に効く。

C1 noun/verb /ˈræfəl/

raffle

抽選券の販売

Meaning

A means of raising money by selling numbered tickets, one or more of which are drawn at random for a prize; to sell something in such a lottery.

Example

The charity decided to raffle a bicycle to raise funds.

チャリティーは資金調達のために自転車を抽選で販売することに決めました。

A2 noun, verb /ˈriːzən/

reason

理由、原因

Meaning

A cause, explanation, or justification for an action or event; to think or argue logically.

Example

There is no reason to be upset.

怒る理由はありません。

B2 adjective /rɪˈliːvd/

relieved

安心した

Meaning

feeling happy and less worried after something stressful has been removed or resolved

Example

She felt relieved after hearing the good news.

良い知らせを聞いた後、彼女は安心した。

C1 noun rɪˈdʒɛn.ər.ə.tɪv ˈfɑːr.mɪŋ

regenerative farming

再生農業

Meaning

Agricultural practices that improve soil health and biodiversity.

Example

Regenerative farming improves soil fertility and biodiversity.

再生農業は土壌の肥沃度と生物多様性を向上させます。

C2 verb /rɪˈdaʊnd/

redound

貢献する

Meaning

to contribute greatly to a result or consequence, usually beneficial

Example

His hard work will redound to the success of the company.

彼の努力は会社の成功に貢献するでしょう。

B2 adjective /rɪˈspɒn.sɪv/

Responsive

反応が早い

Meaning

reacting quickly and positively; readily reacting to suggestions or changes

Example

The website is very responsive and loads quickly on all devices.

そのウェブサイトは非常にレスポンシブで、すべてのデバイスで迅速に読み込まれます。

C1 noun ˈrəʊvə

rover

ローバー

Meaning

A vehicle for driving over rough terrain, especially one driven by remote control over extraterrestrial terrain.

Example

The rover landed on Mars to begin its exploration.

ローバーは火星に着陸し、探査を開始しました。

C1 noun ˌrev.əˈluː.ʃən.ər.i ɪˈnɪʃ.ə.tɪv

revolutionary initiative

革命的イニシアティブ

Meaning

A groundbreaking action or plan that brings about significant change or transformation.

Example

The revolutionary initiative promotes sustainable energy.

革命的なイニシアティブは持続可能なエネルギーを促進します。

C1 noun /ˈrɛz.ə.nəns/

resonance

共鳴

Meaning

A deep, reverberating sound or a quality of evoking response.

Example

His speech had a deep resonance with the audience.

彼のスピーチは観客に深い共鳴を与えた。

C2 verb /ˈrævəl/

ravel

絡まる / 解く

Meaning

to tangle or complicate; to untangle or unravel depending on context

Example

She began to ravel the loose threads of the sweater.

彼女はセーターのゆるい糸をほどき始めました。

C1 noun /ˌræʃəˈnæl/

rationale

根本的な理由

Meaning

the underlying reason or explanation for something

Example

The rationale behind his decision was clearly explained.

彼の決断の背後にある理由は明確に説明されました。

C2 noun /ˈræʃənəlɪzəm/

rationalism

合理主義

Meaning

a belief or theory that opinions and actions should be based on reason and knowledge rather than religious belief or emotion

Example

Rationalism emphasizes logic and reasoning over faith.

合理主義は信仰よりも論理と推論を強調します。

B2 verb /rɪˈvɜːrt/

revert

戻る

Meaning

to return to a previous state, condition, or practice

Example

The system will revert to its original settings after the update.

システムは更新後、元の設定に戻ります。

C1 adjective /rɪˈmiːdiəl/

Remedial

修正的; 治療的; 回復的;

Meaning

intended as a remedy; corrective; providing a cure;

Example

The students need remedial classes to improve their math skills.

学生は数学スキルを向上させるためにリメディアルクラスが必要です。

C2 verb /rɪˈkjʊə/

recure

再治療する

Meaning

to cure again; to remedy a second time

Example

The doctor had to recure the wound after it reopened.

医者は傷が再び開いた後、傷を再治療する必要がありました。

B2 noun /ˈraɪfəl/

Rifle

ライフル

Meaning

a gun with a long barrel that is fired from the shoulder

Example

The soldier carried a rifle during the mission.

兵士は任務中にライフルを携帯していました。

B2 adverb /rɪˈpɔːtɪdli/

reportedly

報告によると

Meaning

according to what is said or believed, although not confirmed

Example

The company has reportedly agreed to the new terms.

その会社はreportedly新しい条件に同意しました。

C1 adjective /rɪˈsɛsɪv/

recessive

潜性

Meaning

In genetics, relating to a trait that is expressed only when two copies of the gene are present.

Example

Blue eye color is often a recessive trait.

青い目の色はしばしばリセシブな特徴です。

C1 adjective /ˈrʌɡ.ɪd/

Rugged

でこぼこで不規則な; 不規則な表面を持つ; 強くて丈夫な

Meaning

rough and uneven; having a rough irregular surface; tough and strong

Example

The hikers crossed the rugged mountain terrain.

ハイカーたちは荒れた山岳地帯を越えた。

B2 noun /ˈrækɪt/

racket

ラケット / 騒音

Meaning

A piece of equipment used to hit the ball in sports like tennis or badminton; also a loud noise or an illegal scheme.

Example

He bought a new tennis racket for the match.

彼は試合のために新しいテニスラケットを買った。

B1 noun rɪˈdʌk.ʃən

reduction

削減

Meaning

The action or fact of making a specified thing smaller or less in amount, degree, or size.

Example

Greenhouse gas reduction is a primary global goal.

温室効果ガスの削減は主要な地球規模の目標です。

C1 verb /ˌrɛzəˈrɛkt/

resurrect

復活させる

Meaning

To bring back to life or revive something from the past.

Example

The director decided to resurrect the old play for a new audience.

監督は新しい観客のために古い劇を復活させることに決めました。

B1 noun /ˈrʌbər/

rubber

幸福

Meaning

a tough elastic substance made from the latex of tropical plants or synthetically, used for making tires, boots, and other products.

Example

The tires are made of natural rubber.

彼女は賞を受け取ったとき、自分の幸福を隠すことができませんでした。

B2 noun /ˈrɪk.ʃɔː/

Rickshaw

リクシャ

Meaning

a light two-wheeled passenger vehicle drawn by one or more people

Example

We took a rickshaw to reach the busy marketplace.

忙しい市場に到着するためにリクシャを利用しました。

B2 adjective rəʊˈbʌst

robust

ロバスト

Meaning

Strong and healthy; vigorous; able to withstand or overcome adverse conditions.

Example

The robust infrastructure ensures reliable communication.

ロバストなインフラは信頼できる通信を保証します。

C1 adjective /ˈrez.ə.luːt/

Resolute

決意の; 断固たる; 揺るがない

Meaning

determined; having a firm decision; unwavering

Example

She remained resolute in her decision to pursue her dreams.

彼女は夢を追い求める決意を固く持ち続けました。

C1 verb /rɪˈbʌf/

rebuff

拒絶する

Meaning

to reject or refuse in a sharp or abrupt way

Example

She rebuffed his invitation to dinner.

彼女はディナーの招待を断った。

C2 verb /ˈrʌstɪkeɪt/

rusticate

田舎に行く / 大学から一時的に追放する

Meaning

To go to the countryside or to suspend someone from university.

Example

He decided to rusticate in the village to escape the busy city life.

彼は忙しい都市生活から逃れるために村に行くことを決めました。

C1 noun /ˈrɛnɪˌɡeɪd/

renegade

裏切り者

Meaning

a person who deserts or betrays an organization, country, or principles

Example

He was labeled a renegade after leaving the party and criticizing its policies.

彼は党を離れ、その政策を批判した後、裏切り者と見なされた。

C1 adjective, noun /rɪˈsiːvəbl/

receivable

回収可能

Meaning

Money that is owed to a company and is expected to be paid.

Example

The company's receivables increased significantly this quarter.

会社の売掛金は今四半期に大幅に増加しました。

B2 adjective /rɪˈlaɪ.ənt/

reliant

依存している

Meaning

depending on someone or something for support

Example

The country is too reliant on imported goods.

その国は輸入品に依存しすぎている。

B2 adjective /ˈræʃ.ən.əl/

Rational

合理的な; 論理的な; 理にかなった

Meaning

based on reason and logic; sensible and practical

Example

She made a rational decision based on the available facts.

彼女は利用可能な事実に基づいて合理的な決定を下しました。

C1 noun rɪˌdʒɛnəˈreɪʃən

regeneration

再生

Meaning

Renewal, growth and development of cells, tissues or energy

Example

Proper rest allows muscle regeneration after exercise.

適切な休息は、運動後の筋肉の再生を促進します。

B1 noun /rɪˈvɪʒ.ən/

Revision

リビジョン; 修正版

Meaning

the action of revising; a revised edition or form of something; review of subject matter

Example

The students spent hours doing revision for their final exams.

学生たちは最終試験のために数時間リビジョンを行った。

C2 verb (archaic/rare) /rɛk/

reck

気にする

Meaning

To care about or be concerned with (something); to have regard for.

Example

He does not reck the dangers of his actions.

彼は自分の行動の危険を気にしない。

B2 noun /ˈrɒbər/

robber

強盗

Meaning

a person who steals property from others, often using force or threat

Example

The robber was caught after a quick police chase.

素早い警察の追跡の後、強盗は捕まった。

B2 verb /ˌriːjuˈnaɪt/

reunite

再会する

Meaning

to bring together again after separation

Example

The family was reunited after many years.

その家族は何年も後に再会しました。

C1 noun /rɑk sɔlt/

Rock Salt

岩塩

Meaning

natural salt crystals formed from evaporated ancient seas; unrefined salt

Example

Rock salt is considered healthier than table salt.

岩塩はテーブルソルトよりも健康的だと考えられています。

C2 adjective /rɪˈmiːdiəbl/

remediable

修正可能

Meaning

capable of being corrected or cured

Example

The mistake was serious but still remediable.

その誤りは重大でしたが、まだ修正可能でした。

C2 adjective /rɪˈmɪs/

remiss

怠慢

Meaning

Negligent in performing a duty or responsibility.

Example

The manager was remiss in not checking the financial reports carefully.

マネージャーは財務報告書を慎重に確認しなかったことで怠慢だった。

C2 adjective /ˈræfɪʃ/

raffish

型破りで少し評判が悪いが魅力的

Meaning

unconventional and slightly disreputable but attractive

Example

He had a raffish charm that made him popular in the city.

彼は街で人気がある理由は、レイフィッシュな魅力があったからだ。

C1 adjective /ˈrænsɪd/

rancid

腐った

Meaning

having a bad taste or smell due to being old or spoiled (especially fats or oils)

Example

The butter had gone rancid after being left out too long.

バターは外に長時間置かれて腐ってしまった。

C1 noun /ˈrɛtɪsəns/

reticence

沈黙

Meaning

the quality of being reserved or unwilling to speak freely

Example

His reticence made it difficult to know what he was thinking.

彼の沈黙は、彼が何を考えているのかを知るのを難しくしました。

C2 verb /ˌrɛprɪˈhɛnd/

reprehend

非難する

Meaning

to express disapproval or criticism of someone or something

Example

The teacher reprehended the student for being dishonest.

先生は不正直なことで生徒を叱りました。

C1 noun /rɪˈsaɪtl/

recital

リサイタル

Meaning

A performance of music, dance, or poetry, usually by a soloist.

Example

She gave a piano recital at the concert hall.

彼女はコンサートホールでピアノのリサイタルを行いました。

B2 noun /ˈruːmər/

rumor

噂

Meaning

a currently circulating story or report of uncertain or doubtful truth.

Example

There’s a rumor that the company will merge next year.

来年、会社が合併するという噂があります。

C1 noun /ˌræm.ɪ.fɪˈkeɪ.ʃən/

ramification

結果

Meaning

a consequence of an action or event, often complex or unwelcome.

Example

The new law has serious social ramifications.

新しい法律には深刻な社会的影響があります。

B2 noun, verb /ˈrætəl/

rattle

ガタガタ鳴る；ガラガラ

Meaning

to make a rapid series of short, sharp sounds; a device or object that makes such a sound

Example

The loose window began to rattle in the strong wind.

強い風で緩んだ窓がガタガタ鳴り始めた。

B1 verb /rɪˈtɜrnɪŋ/

returning

戻る

Meaning

Coming or going back to a place or person.

Example

The group is returning to the port on December 25th.

グループは12月25日に港に戻ります。

B1 noun rɪˈsɜː.tʃəz

researchers

研究者

Meaning

People who study and investigate to discover new information or facts.

Example

Researchers are working on innovative solutions.

研究者たちは革新的な解決策に取り組んでいます。

C1 adjective /ˈraɪtfəl/

rightful

正当な

Meaning

having a legitimate or just claim; proper or lawful

Example

She is the rightful owner of the property.

彼女はその財産の正当な所有者です。

B1 adjective /ˈrʊr.əl/

Rural

田舎の

Meaning

relating to the countryside; characteristic of farming or country life

Example

She grew up in a rural area far from the city.

彼女は街から遠く離れた田舎の地域で育ちました。

C1 noun /ˌriːhəˌbɪlɪˈteɪʃən/

rehabilitation

幸福

Meaning

the process of restoring someone or something to health or normal life through training or therapy

Example

After the accident, he went through months of rehabilitation to walk again.

彼女は賞を受け取ったとき、自分の幸福を隠せなかった。

C1 verb rɪˈplɛn.ɪʃ

replenish

補充する

Meaning

Fill something up again.

Example

Drinking water helps replenish lost fluids in the body.

水を飲むことは、体内で失われた液体を補充するのに役立ちます。

C1 verb /reɪv/

rave

絶賛する

Meaning

to speak or write about something with great enthusiasm or admiration

Example

Critics rave about the new movie.

批評家たちは新しい映画を絶賛しています。

C1 verb /rɪˈsɪprəˌkeɪt/

reciprocate

応答する

Meaning

To respond to an action or gesture by making a corresponding one.

Example

She smiled at him, and he reciprocated with a warm hug.

彼女は彼に微笑み、彼は温かい抱擁で応じた。

B2 noun /ˈrɛnəˌsɑːns/

renaissance

ルネサンス

Meaning

a revival of art, culture, or learning; a period of renewed interest and growth

Example

The city experienced a cultural renaissance during the 1990s.

その都市は1990年代に文化的なルネサンスを経験しました。

C1 verb /ˌrekəˈlekt/

recollect

思い出す

Meaning

to remember something; to recall from memory

Example

I can't recollect where I put my keys.

鍵をどこに置いたか思い出せません。

B1 adjective, noun /ˈroʊmən/

roman

ローマの / 古代ローマの市民

Meaning

relating to Rome or its people; a citizen of ancient Rome

Example

The Roman Empire influenced much of modern civilization.

ローマ帝国は現代文明に多大な影響を与えました。

C2 noun /rɪˈmɒnstrəns/

remonstrance

抗議

Meaning

A forceful protest or objection.

Example

The workers’ remonstrance against unfair treatment was ignored.

労働者たちの不公平な扱いに対する抗議は無視された。

C1 verb /ˌriːəˈfɜːrm/

reaffirm

再確認する

Meaning

To state again strongly; to confirm or strengthen a statement or belief.

Example

The president reaffirmed his commitment to education reform.

大統領は教育改革への取り組みを再確認した。

C1 adjective /ˈræb.ɪd/

rabid

狂信的

Meaning

Having extreme or fanatical support for something; relating to or suffering from rabies.

Example

He was a rabid fan of the football team.

彼はサッカーチームの狂信的なファンだった。

B2 verb /rɪˈkruːt/

recruit

採用する

Meaning

to enlist or hire people for a job, service, or membership

Example

The company is trying to recruit more software engineers.

その会社はもっと多くのソフトウェアエンジニアをリクルートしようとしています。

C1 noun /ˈrɛzɪn/

resin

樹脂

Meaning

a sticky organic substance, usually secreted by plants, often used in varnishes or plastics

Example

The craftsman used natural resin to make the sculpture shine.

職人は彫刻を輝かせるために天然の樹脂を使用しました。

B1 adverb /rɪˈpiː.tɪd.li/

Repeatedly

繰り返し; 何度も

Meaning

again and again; many times over

Example

He repeatedly asked for help with his homework.

彼は宿題について何度も助けを求めました。

C1 noun /ˈrɛɡjəleɪtər/

regulator

調整装置

Meaning

a person or device that controls or maintains the operation of a system

Example

The government appointed a new regulator for the financial sector.

政府は金融セクターの新しい規制機関を任命した。

C1 adjective /ˈræspi/

raspy

ハスキー

Meaning

having a harsh, rough, or grating sound

Example

His raspy voice revealed years of smoking.

彼のハスキーな声は喫煙の年数を明らかにした。

C1 verb /ˌriːɪnˈtɪɡreɪt/

reintegrate

再統合する

Meaning

To bring someone or something back into a group or society after being separated.

Example

The program helps prisoners reintegrate into society.

そのプログラムは囚人が社会に再統合するのを助けます。

B2 noun /rɪˈfɔːr.mər/

Reformer

改革者

Meaning

a person who works to bring about positive changes in society or institutions

Example

The social reformer dedicated her life to improving education for all children.

社会的な改革者は、すべての子供たちの教育を改善するために自分の人生を捧げました。

C1 noun, adjective /ˈrɛvərənd/

reverend

牧師, 尊敬される

Meaning

A title of respect used for members of the clergy; deserving deep respect.

Example

The Reverend gave an inspiring sermon at the church.

レヴァレンドは教会で感動的な説教をしました。

C1 verb /ˈreɪdieɪt/

radiate

放射する

Meaning

to emit energy or light; to spread out from a center

Example

The fireplace radiates warmth throughout the room.

暖炉は部屋全体に暖かさを放射します。

C1 noun ˌræʃ.ən.əl.ɪˈzeɪ.ʃən

rationalization

合理化

Meaning

The practice of finding reasons for behavior or actions that are not the real reasons.

Example

His rationalization of the mistake was not convincing.

彼の間違いの合理化は説得力がなかった。